运行 ID: 20672

Main.cc: In function ‘void plus(short int, short int, short int)’:
Main.cc:14:6: error: expected primary-expression before ‘)’ token
   if()
      ^
Main.cc:15:2: error: expected primary-expression before ‘}’ token
  }
  ^
Main.cc: In function ‘int main()’:
Main.cc:5:7: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%hd",&n);
  ~~~~~^~~~~~~~~~